Battery bar



FIG. 1 is a perspective view showing the top, front and right side of the battery bar showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left end view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right end view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a battery bar, as shown. 